Main Logic Board for Apple Network Server 500/700.
This Logic Board has a ROM SIMM rather than ROM's soldered directly on the board. It features 8 external connectors (Audio In/Out, ADB, 2 Serial ports, Video, AAUI and SCSI), 6 PCI Expansion slots, 8 DRAM DIMM slots and 512KB/1MB Level 2 Cache.
This board doesn't have a microprocessor chip built in and requires a separate processor card for operation.
Compatible with:
Network Server 500/132MHz
Network Server 700/150MHz
Network Server 700/200MHz
EEE: 6G2
Apple Reference: 661-1125, 820-0744-A